html,
body {
  padding: 0;
  margin: 0;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
#canvas {
  background: #d1a443;
}

.online {
  display: flex;
  width: 130px;
  flex-direction: column;
}

.look-back {
  display: flex;
  width: 130px;
  flex-direction: column;
}

.btns {
  margin-left: 30px;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
}

.btn {
  border: 1px solid;
  height: 30px;
  width: 130px;
  margin-top: 30px;
  background: #d1a443;
  color: #fff;
  border-radius: 3px;
}
button[disabled] {
  /* color: # !important; */
  background: #eeeeee !important;
}

.popup {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
.mask {
  background: rgba(0, 0, 0, 0.4);
  position: absolute;
  width: 100%;
  height: 100%;
}

.pop-content {
  background: #fff;
  z-index: 99;
  position: absolute;
}

.pop-content button {
  padding: 10px 20px;
}
